| Company | Timeline | Status | |
Centuria Comrail Limited Director • Chartered Electrical Engineer | 22 Nov 2001←17 Years→26 Mar 2019 | Dissolved | |
| Hitachi Rail GTS UK Limited Director • Company Director | 1 Oct 1999←2 Years 2 Months→3 Dec 2001 | Active | |
| Lumen Technologies UK Limited Director • Company Director | 17 Oct 1996←3 Years→25 Oct 1999 | Active | |
| Institution Of Railway Signal Engineers Director • Railway Telecommunications Engineer | 24 Apr 1992←12 Years→23 Apr 2004 | Active | |
